The Houston Rockets are in hot pursuit of a lottery pick to try and lure Dwight Howard away from Orlando, but one issue they’re having in ongoing discussions with Toronto, according to a source familiar with the situation, is that the Raptors believe they have a real chance of landing Steve Nash, and so are reluctant to trigger a deal for Rockets point guard Kyle Lowry. The obvious appeal of bringing Nash home to Canada has Toronto hesitant to make a deal for another starting PG.